UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'HQhwPNUkslNpvuXH7P+jt9oSVFI1xYknJRcExXiOMA0=' 
WHERE 
  key_id = '9db1233e44ff1bf03d4e315499ad2ca973fb7ccfe4793edd8d5be3af0581df9e' 
  AND (
    token = 'HQhwPNUkslNpvuXH7P+jt9oSVFI1xYknJRcExXiOMA0=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )